Okada, Jirou
Current rating: 1380
Record: 11-19
| Grand Prix Shizuoka 2018 (standard) (GRN standard) | starting rating: 1410 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 477 | Imai, Seisuke (1489) | Lost 1-2 | -171393 |
| 3standard | 686 | Kobari, Ryo (1501) | Lost 1-2 | -161377 |
| 4standard | 867 | Mita, Hiroki (1386) | Won 2-0 | +181395 |
| 5standard | 679 | Shoji, Kenta (1562) | Lost 0-2 | -151380 |
| top | average opponent: 1485record: 1-3 | new rating: 1380 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1438 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 383 | Konishi, So (1500) | Lost 0-2 | -171421 |
| 2modern | 921 | Mostek, Sten-Magnus (1790) | Lost 1-2 | -111410 |
| top | average opponent: 1645record: 0-2 | new rating: 1410 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1490 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 397 | Maseguchi, Masashi (1380) | Won 2-1 | +161506 |
| 4standard | 230 | Miyata, Sho (1537) | Lost 1-2 | -181488 |
| 5standard | 360 | Kadono, Kohei (1484) | Lost 0-2 | -181470 |
| 6standard | 395 | Nakamura, Satoshi (1576) | Lost 1-2 | -161454 |
| 7standard | 588 | Hashimoto, Syohei (1559) | Lost 1-2 | -161438 |
| top | average opponent: 1507record: 1-4 | new rating: 1438 | ||
| Grand Prix Shizuoka 2013 (THS standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 101 | Ikeda, Taiki (1515) | Won 2-0 | +181524 |
| 3standard | 8 | Yamashita, Kohji (1303) | Won 2-0 | +141538 |
| 4standard | 63 | Tsujikawa, Taiga (1678) | Lost 1-2 | -151523 |
| 5standard | 166 | Onoda, Kenji (1536) | Lost 1-2 | -181505 |
| 6standard | 138 | Tonouchi, Keita (1653) | Lost 0-2 | -151490 |
| top | average opponent: 1537record: 2-3 | new rating: 1490 | ||
| Grand Prix Kitakyushu 2013 (M14 standard) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 83 | Mizoguchi, Takahisa (1519) | Won 2-1 | +181520 |
| 3standard | 257 | Mihara, Ryo (1483) | Won 2-0 | +171537 |
| 4standard | 150 | Tanaka, Kazuhiko (1460) | Lost 1-2 | -191518 |
| 5standard | 176 | Yamaguchi, Tomoyuki (1528) | Lost 1-2 | -181500 |
| 6standard | 340 | Okimura, Yosuke (1541) | Won 2-0 | +191519 |
| 7standard | 202 | Kurihara, Tomo (1565) | Lost 0-2 | -171502 |
| 8standard | 213 | Obata, Maiko (1524) | Won 2-0 | +181520 |
| 9standard | 175 | Yasuda, Masayuki (1744) | Lost 0-2 | -141506 |
| top | average opponent: 1546record: 4-4 | new rating: 1506 | ||
| Grand Prix Nagoya 2012 (RTR standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 431 | Igarashi, Chiharu (1500) | Won 2-0 | +181518 |
| 2standard | 292 | Watanabe, Yasuyuki (1517) | Won 2-1 | +181536 |
| 3standard | 185 | Hatano, Kaigo (1532) | Won 2-0 | +181554 |
| 4standard | 206 | Hasegawa, Shinya (1543) | Lost 0-2 | -181536 |
| 5standard | 227 | Takesue, Chikara (1683) | Lost 1-2 | -161520 |
| 6standard | 452 | Suzuki, Gou (1481) | Lost 1-2 | -181502 |
| top | average opponent: 1543record: 3-3 | new rating: 1502 | ||